/**
 * Componentwise computes `Math.sign` of given nD vector. Multi-method.
 *
 * @param o - output vector
 * @param a - input vector
 */
export declare const sign: import("./api.js").MultiVecOpV<number>;
/**
 * Componentwise computes `Math.sign` of given 2D vector.
 *
 * @param o - output vector
 * @param a - input vector
 */
export declare const sign2: import("./api.js").VecOpV<number>;
/**
 * Componentwise computes `Math.sign` of given 3D vector.
 *
 * @param o - output vector
 * @param a - input vector
 */
export declare const sign3: import("./api.js").VecOpV<number>;
/**
 * Componentwise computes `Math.sign` of given 4D vector.
 *
 * @param o - output vector
 * @param a - input vector
 */
export declare const sign4: import("./api.js").VecOpV<number>;
//# sourceMappingURL=sign.d.ts.map